Mysterious meeting place for UFO hunters near Area 51.

A picture-perfect town, perfect for blowing up.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

Odd outsider art installations surround a Gold Rush-era ghost town.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

Ancient pueblos built into the base of a natural canyon wall.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The largest and most well-preserved petroglyph site in the Verde Valley.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A reproduction of earth's many biomes.

The world's largest military aircraft cemetery.

The biggest solar telescope in the world helps reveal the secrets of our sun.

America's only nuclear missile silo open to the public.

Limestone caves with spectacular showcase chambers.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Legends surround this jagged rock formation in the New Mexico desert.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Home of the International Space Hall of Fame.